Triple

T12708941
Position Surface form Disambiguated ID Type / Status
Subject RAF Mildenhall E303662 entity
Predicate hosts P186 FINISHED
Object RC-135 reconnaissance aircraft E140306 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: RC-135 reconnaissance aircraft | Statement: [RAF Mildenhall, hosts, RC-135 reconnaissance aircraft]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: RC-135 reconnaissance aircraft
Context triple: [RAF Mildenhall, hosts, RC-135 reconnaissance aircraft]
  • A. Boeing RC-135W Rivet Joint chosen
    The Boeing RC-135W Rivet Joint is a highly modified reconnaissance aircraft used primarily for signals intelligence gathering and electronic surveillance operations.
  • B. Lockheed EC-130H Compass Call
    The Lockheed EC-130H Compass Call is a heavily modified C-130 Hercules aircraft used by the U.S. Air Force for tactical airborne electronic warfare and communications jamming operations.
  • C. EC-121 Warning Star
    The EC-121 Warning Star was a U.S. Air Force airborne early warning and control aircraft developed from the Lockheed Constellation airliner and widely used during the Cold War and Vietnam War for radar surveillance and command-and-control missions.
  • D. WC-135
    The WC-135 is a specialized U.S. Air Force reconnaissance aircraft, nicknamed the "Constant Phoenix," designed to collect and analyze atmospheric samples for detecting nuclear explosions.
  • E. Boeing E-7 Wedgetail
    The Boeing E-7 Wedgetail is an airborne early warning and control (AEW&C) aircraft equipped with advanced radar and battle management systems to provide surveillance, command, and control capabilities.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69d7bdf084148190ab9d513dc0735af4 elicitation completed
NER batch_69d96207b2d881908314efc3e350aa78 ner completed
NED1 batch_69f671b648f48190a29924c484713fc7 ned_source_triple completed
Created at: April 9, 2026, 5:23 p.m.